Copyright 2017, FLIR Commercial Systems, Inc.
Chapter 3: Quick Start
13
3.5 - Serial Connection
To connect, power on, and test the PTU using the serial interface:
1. Connect the PTU as follows:
-
Attach the DB25 to DB9 converter on one side of
the RS-232 to RS-485 converter.
-
Attach one end of the four-pin RJ-11 phone cable
to the other side of the RS-232 to RS-485 adapter.
-
Set the switches on the RS-232 to RS-485 con-
verter to
T RxON
and
DCE
.
-
Attach the four-pin RJ-11 female-to-female
adapter to the other end of the phone cable. This
is important because the adapter rearranges the pins; the PTU will not function if the adapter is
not attached correctly.
-
Connect the RS485 connector from the breakout cable into the adapter.
-
Provide power to the converter through the included power supply.
-
Alternatively, you can connect the USB to RS-485 cable (PTU-CONV-USB-RS485) to a USB port on
the host PC and the RJ-11 connector on the breakout cable.
2. Attach a standard RS-232 cable between a host PC and the DB9F connector on the PTU labeled RS-
232.
3. Open a terminal program such as HyperTerminal® or TeraTerm®.
\
4. Create a new connection with the following communications
parameters:
-
9600 baud
-
8 data bits
-
1 stop bit
-
no parity
-
no handshaking
Note: You may use simultaneous Ethernet and serial connections.
http://ttssh2.sourceforge.jp/
.
RS-232 to RS-485
adapter
DB9 to DB25 adapter
F-F adapter
RS-232
Phone cord